Fish Passage Site 20200945

Coordinates (dec. deg.): 60.12253°, -149.36972°
Legal Description: S001S001W01
Region: South Central
Road Name: Nash Road

Datum: NAD83
Quad Name / ITM: Seward A-7
AWC Stream #:
Stream Name: Unnamed

Elevation:

Site Comments: Creek next to Afognak Logging.

Survey Date: Sep 10, 2001

Survey KPCS1-EK069

Observers: Cecil Rich, William Glick, James Maple

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: Creek next to Afognak Logging. Adult Coho spawning up and downstream. Observed small fish in vicinity of traps downstream. None caught. Moved traps to different location but still none caught.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 75.0
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.75
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):5.3 5.5
Height(ft):5.39 5.63
Apron Length(ft):
Water Depth(ft):1.08 0.69
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.11
Outfall Type:
Constriction Ratio: 0.55
Culvert Gradient: 1.12%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type
ID: 2 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 75.0
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.75
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):5.3 5.5
Height(ft):5.63 5.64
Apron Length(ft):
Water Depth(ft): 0.63
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.11
Outfall Type:
Constriction Ratio: 0.55
Culvert Gradient: 1.00%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:GravelGravel
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 40.0 89.70
Downstream ordinary high water 108.0 42.00
Downstream ordinary high water 150.0 29.70
Upstream ordinary high water 5.0 33.80
Upstream ordinary high water 57.0 18.20
Upstream ordinary high water 102.0 20.00

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Thalweg 84.79
OHW Left Bank 88.98
D/S OHW Elev 0.00 150.0 89.35
D/S Water Surface Elev 0.00 150.0 88.73
D/S Thalweg 0.00 150.0 87.83
D/S Thalweg 42.00 108.0 88.17
D/S Water Surface Elev 42.00 108.0 88.75
D/S OHW Elev 42.00 108.0 89.10
OHW Left Bank 44.50 105.5 90.08
D/S Tailcrest or 1st Thalweg 110.00 40.0 87.69
D/S Water Surface Elev 110.00 40.0 89.23
OHW Left Bank 110.00 40.0 89.62
Max Pool Depth 145.00 5.0 85.37
Outlet Invert 2 150.00 0.0 88.46
Outlet Thalweg 2 150.00 0.0 88.46
Outlet Invert 1 150.00 0.0 88.54
Outlet Thalweg 1 150.00 0.0 88.54
Outlet Rustline Height 2 150.00 0.0 89.37
Outlet Rustline Height 1 150.00 0.0 89.56
Outlet Culvert Top 2 150.00 0.0 94.10
Outlet Culvert Top 1 150.00 0.0 94.17
Road Elev 187.50 98.61
Road Elev 187.50 100.02
Inlet Culvert Top 1 225.00 0.0 94.77
Inlet Culvert Top 2 225.00 0.0 94.84
Inlet Rustline Height 1 225.00 0.0 90.48
Inlet Rustline Height 2 225.00 0.0 90.61
Inlet Culvert Invert 1 225.00 0.0 89.38
Inlet Thalweg 1 225.00 0.0 89.38
Inlet Culvert Invert 2 225.00 0.0 89.21
Inlet Thalweg 2 225.00 0.0 89.21
U/S Thalweg 2 226.00 1.0 89.17
U/S Thalweg 1 226.00 1.0 89.50
U/S Thalweg 1 230.00 5.0 89.52
U/S Water Surface Elev 1 230.00 5.0 90.48
U/S OHW elevation 1 230.00 5.0 90.44
U/S Thalweg 2 230.00 5.0 89.86
U/S Thalweg 2 235.80 10.8 89.98
U/S Thalweg 1 235.80 10.8 89.73
U/S Thalweg 282.00 57.0 89.73
U/S Water Surface Elev 282.00 57.0 90.86
U/S Headwater 282.00 57.0 91.40
U/S Headwater 327.00 102.0 92.27
U/S Water Surface Elev 327.00 102.0 91.29
U/S Thalweg 327.00 102.0 90.59

Notes:

  1. River distance is measured continuously throughout the survey reach along the thalweg of the stream.
  2. Measured from each end of the crossing along the thalweg of the stream.

Fish Sampling Efforts

Gear Type: Minnow Trap (A) Trap Duration(h): 1.45
 
Gear Type: Minnow Trap (B) Trap Duration(h): 2.0

Fish Observations

Species: no fish collected or observed Life History: Not Applicable
Total Fish Observed: 0 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap (0)  Upstream Minnow Trap (0)  

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